//
//  Visitor.swift
//  Inpro
//
//  Created by 彭灿 on 16/9/26.
//  Copyright © 2016年 Roble. All rights reserved.
//

import UIKit

class VisitorView: UIView {
    
    
    /// 
    var visitorInfo: [String: String]? {
        didSet {
            guard let imageName = visitorInfo?["imageName"],
                let message = visitorInfo?["message"] else {
                    return
            }
            // 设置消息
            tipLable.text = message
            // 设置图像, 首页不需要设置
            if imageName == "" {
                startAnimation()
                return
            }
            
            iconView.image = UIImage(named: imageName)
            
            // 其它控制器的访客视图不显示遮罩和小房子
            houseIconView.isHidden = true
            maskIconView.isHidden = true
        }
    }
    
    // MARK: -构造函数
    override init(frame: CGRect) {
        super.init(frame: frame)
        
        setupUI()
    }
    
    required init?(coder aDecoder: NSCoder) {
        fatalError("init(Error:) has not been implemented")
    }
    
    /// 旋转图标动画
    private func startAnimation() {
        let anim = CABasicAnimation(keyPath: "transform.rotation")
        anim.toValue = 2 * M_PI
        anim.repeatCount = MAXFLOAT
        anim.duration = 15
        
        // 动画完成之后不删除, 如果 视图被释放， 动画会一起销毁
        anim.isRemovedOnCompletion = false
        // 将动画添加到图层
        iconView.layer.add(anim, forKey: nil)
        
    }
    
    // MARK - 私有控件
    /// 懒加载属性只有调用 UIKit 控件的指定函数，其它都需要使用类型
    /// 图像视图
    public lazy var iconView:UIImageView = UIImageView(image: UIImage(named: "visitordiscover_feed_image_smallicon"))
    
    /// 遮罩图片
    public lazy var maskIconView: UIImageView = UIImageView(image: UIImage(named:"visitordiscover_feed_mask_smallicon"))
    
    /// 小房子
    public lazy var houseIconView:UIImageView = UIImageView(image: UIImage(named: "visitordiscover_feed_image_house"))
    
    /// 提示标签
    public lazy var tipLable:UILabel = UILabel.cz_label(withText: "登录后再来看看吧", fontSize: 14, color: UIColor.darkGray)
    /// 注册按钮
    public lazy var registerButton: UIButton = UIButton.cz_textButton(
        "注册",
        fontSize: 16,
        normalColor: UIColor.orange,
        highlightedColor: UIColor.black,
        backgroundImageName: "common_button_white_disable"
    )
    /// 登录按钮
    public lazy var loginButton: UIButton = UIButton.cz_textButton(
        "登录",
        fontSize: 16,
        normalColor: UIColor.darkGray,
        highlightedColor: UIColor.black,
        backgroundImageName: "common_button_white_disable"
    )
}

// MARK: - 设置界面
extension VisitorView {
    
    func setupUI() {
        backgroundColor = UIColor.cz_color(withHex: 0xEDEDED)
        
        // 1. 添加控件
        addSubview(iconView)
        addSubview(maskIconView)
        addSubview(houseIconView)
        addSubview(tipLable)
        addSubview(registerButton)
        addSubview(loginButton)
        
        // 文本居中
        tipLable.textAlignment = .center
        
        // 2. 取消 autoresizing
        for v in subviews {
            v.translatesAutoresizingMaskIntoConstraints  = false
        }
        
        let margin: CGFloat = 20.0
        
        // 3. 自动布局
        // 1> 图像视图
        addConstraint(NSLayoutConstraint(item: iconView, attribute: .centerX, relatedBy: .equal, toItem: self, attribute: .centerX, multiplier: 1.0, constant: 0))
        addConstraint(NSLayoutConstraint(item: iconView, attribute: .centerY, relatedBy: .equal, toItem: self, attribute: .centerY, multiplier: 1.0, constant: -60))
        // 2> 小房子
        addConstraint(NSLayoutConstraint(item: houseIconView, attribute: .centerX, relatedBy: .equal, toItem: iconView, attribute: .centerX, multiplier: 1.0, constant: 0))
        addConstraint(NSLayoutConstraint(item: houseIconView, attribute: .centerY, relatedBy: .equal, toItem: iconView, attribute: .centerY, multiplier: 1.0, constant: 0))
        // 3> 提示标签
        addConstraint(NSLayoutConstraint(item: tipLable,
                                         attribute: .centerX,
                                         relatedBy: .equal,
                                         toItem: iconView,
                                         attribute: .centerX,
                                         multiplier: 1.0,
                                         constant: 0))
        addConstraint(NSLayoutConstraint(item: tipLable,
                                         attribute: .top,
                                         relatedBy: .equal,
                                         toItem: iconView,
                                         attribute: .bottom,
                                         multiplier: 1.0,
                                         constant: margin))
        addConstraint(NSLayoutConstraint(item: tipLable,
                                         attribute: .width,
                                         relatedBy: .equal,
                                         toItem: nil,
                                         attribute: .notAnAttribute,
                                         multiplier: 1.0,
                                         constant: 236))
        // 4> 注册按钮
        addConstraint(NSLayoutConstraint(item: registerButton,
                                         attribute: .left,
                                         relatedBy: .equal,
                                         toItem: tipLable,
                                         attribute: .left,
                                         multiplier: 1.0,
                                         constant: 0))
        addConstraint(NSLayoutConstraint(item: registerButton,
                                         attribute: .top,
                                         relatedBy: .equal,
                                         toItem: tipLable,
                                         attribute: .bottom,
                                         multiplier: 1.0,
                                         constant: margin))
        addConstraint(NSLayoutConstraint(item: registerButton,
                                         attribute: .width,
                                         relatedBy: .equal,
                                         toItem: nil,
                                         attribute: .notAnAttribute,
                                         multiplier: 1.0,
                                         constant: 100))
        // 5> 登录按钮
        addConstraint(NSLayoutConstraint(item: loginButton,
                                         attribute: .right,
                                         relatedBy: .equal,
                                         toItem: tipLable,
                                         attribute: .right,
                                         multiplier: 1.0,
                                         constant: 0))
        addConstraint(NSLayoutConstraint(item: loginButton,
                                         attribute: .top,
                                         relatedBy: .equal,
                                         toItem: tipLable,
                                         attribute: .bottom,
                                         multiplier: 1.0,
                                         constant: margin))
        addConstraint(NSLayoutConstraint(item: loginButton,
                                         attribute: .width,
                                         relatedBy: .equal,
                                         toItem: registerButton,
                                         attribute: .width,
                                         multiplier: 1.0,
                                         constant: 0))
        // 6> 遮罩图片
        let viewDict = ["maskIconView":maskIconView,
                        "registerButton":registerButton] as [String : Any]
        let metrics = ["spacing": -20]
        addConstraints(NSLayoutConstraint.constraints(
            withVisualFormat: "H:|-0-[maskIconView]-0-|",
            options: [],
            metrics: nil,
            views: viewDict))
        addConstraints(NSLayoutConstraint.constraints(
            withVisualFormat: "V:|-0-[maskIconView]-(spacing)-[registerButton]",
            options: [],
            metrics: metrics,
            views: viewDict))
        
    }
}
